Harrison, IA County is characterized by a humid continental climate. Summers are warm and humid, with temperatures often reaching the mid-80s Fahrenheit (over 30 degrees Celsius). Winters are cold and dry with average temperatures remaining below freezing for much of the season. Precipitation is distributed evenly throughout the year, with annual rainfall around 38 inches. Snowfall can vary significantly from one year to the next, but averages about 24 inches per year. Overall, Harrison enjoys four distinct seasons and mild weather conditions throughout most of the year.
Harrison County, Iowa gets 33 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Harrison County averages 28 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 214 sunny days per year in Harrison County. The US average is 205 sunny days.
Harrison County gets some kind of precipitation, on average, 89 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Weather Highlights
Summer High: the July high is around 86 degrees
Winter Low: the January low is 11
Rain: averages 33 inches of rain a year
Snow: averages 28 inches of snow a year